The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A defensive alkaloid, (5Z)-11-propyl-12-azacyclotetradec-5-en-14-olide, the principal component of the secretion of the pupal defensive hairs of the Mexican bean beetle (Epilachna varivestis), that has antiinsectan activity Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.